first divide it into 3 groups... 4 for each group...0 G5 |, r2 i) u
den use 2 groups to test... if the weight is same... den throw away these 2 groups.. if not... use another 1 group to test with tat 2 groups... throw away the same weight groups...
: C3 B: A3 Q& \0 t; CTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。den... left 4 balls...tvb now,tvbnow,bttvb! U/ O1 e1 ^) o5 i
when u use tat 3 groups to test... u oredi know it is heavier or not...www3.tvboxnow.com. u/ p: ^6 Y+ f7 f" }, s
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...tvb now,tvbnow,bttvb1 B0 [ g9 K7 i9 g" `9 u
take the heavier or lighter 1... throw away tat 2 normal ball...tvb now,tvbnow,bttvb' S5 ~* c, z2 C
den u juz nit 2 test the last 2 balls...- A# W7 X: w# w8 o1 D8 o
same for now... take the heavier or lighter 1... |